The large size of mouse oocytes is shown to create errors when chromosomes divide between daughter cells.
Mast cells in the gut help fight off parasitic worms in the early stages of infection.
A newly discovered gene turns off an egg’s egginess, allowing it to become an embryo.
Scientists discover that a nickel catalyst acts as both a acid and a base during molecule assembly.
Fewer components are needed for chromosome assembly during cell division than previously supposed.
Amanda Alvarez writes about Steven Rieder and his research in modeling clusters of growing new stars.